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ehidna [41]
3 years ago
9

Solve –5√ x = –15. A. x = –7 B. x = –9 C. x = 7 D. x = 9

Mathematics
2 answers:
Ierofanga [76]3 years ago
8 0

Answer:

Option (d) is correct.

x=9

Step-by-step explanation:

Given : expression -5\sqrt{x}=-15

We have to solve for x.

Consider the given expression  -5\sqrt{x}=-15

Divide both side by -5, we have,

\sqrt{x}=\frac{-15}{-5}

Simplify, we have,

\sqrt{x}=3

Squaring both side, we get,

(\sqrt{x})^2=3^2

Simplify, we get,

x=9

Thus, Option (d) is correct.

Pie3 years ago
3 0
-5√x = -15
   -5       -5
   √x = 3
      x = 9

The answer is D.
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